21630180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2557

約数の個数: 96

約数和(自身を含む): 71180928

約数和(自身を除く): 49550748

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2521, 2860, 4290, 5042, 7563, 8580, 10084, 12605, 15126, 25210, 27731, 30252, 32773, 37815, 50420, 55462, 65546, 75630, 83193, 98319, 110924, 131092, 138655, 151260, 163865, 166386, 196638, 277310, 327730, 332772, 360503, 393276, 415965, 491595, 554620, 655460, 721006, 831930, 983190, 1081509, 1442012, 1663860, 1802515, 1966380, 2163018, 3605030, 4326036, 5407545, 7210060, 10815090, 21630180]

約数ペア:

[(1, 21630180), (2, 10815090), (3, 7210060), (4, 5407545), (5, 4326036), (6, 3605030), (10, 2163018), (11, 1966380), (12, 1802515), (13, 1663860), (15, 1442012), (20, 1081509), (22, 983190), (26, 831930), (30, 721006), (33, 655460), (39, 554620), (44, 491595), (52, 415965), (55, 393276), (60, 360503), (65, 332772), (66, 327730), (78, 277310), (110, 196638), (130, 166386), (132, 163865), (143, 151260), (156, 138655), (165, 131092), (195, 110924), (220, 98319), (260, 83193), (286, 75630), (330, 65546), (390, 55462), (429, 50420), (572, 37815), (660, 32773), (715, 30252), (780, 27731), (858, 25210), (1430, 15126), (1716, 12605), (2145, 10084), (2521, 8580), (2860, 7563), (4290, 5042)]